fix(da): fix polling fallback when ws not available #2702

Job	Run time
Detect code changes	5s
Determine Image Tag	3s
proto / buf-check	9s
test / Go Mod Tidy Check	31s
test / Run Integration Tests	2m 8s
test / Run Unit Tests	4m 21s
test / Build All ev-node Binaries	2m 46s
lint / hadolint	8s
lint / golangci-lint	2m 2s
lint / goreleaser-check	11s
lint / yamllint	10s
lint / markdown-lint	14s
docker / Build ev-node-grpc	21m 15s
docker / Build ev-node-loadgen	23s
docker / Build ev-node-evm	21m 57s
docker / Build ev-node-testapp	17m 45s
test / Run E2E System Tests	13m 15s
test / Run EVM Execution Tests	2m 36s
test / Combine and Upload Coverage	-1s
docker-tests / Docker Upgrade E2E Tests	4m 8s
docker-tests / Docker Compatibility E2E Tests	4m 20s
docker-tests / Docker E2E Tests	6m 46s
	1h 45m 12s

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